| Company | Timeline | Status | |
| Mactaggart Scott (Holdings) Limited Director • Engineer | 27 Nov 2007←2 Years 5 Months→20 May 2010 | Active | |
| Hillwood Holdings Limited Director • Engineer | 27 Nov 2007←2 Years 5 Months→20 May 2010 | Dissolved | |
| Macscott Bond Limited Director • Engineer | 27 Jul 1990←27 Years→30 Mar 2018 | Active | |
| Hillwood Investments Limited Director • Engineer | 19 Jul 1990←19 Years→18 Dec 2009 | Active | |
| Mactaggart, Scott & Company Limited Director • Engineer | 9 Jul 1990←27 Years→30 Mar 2018 | Active | |
